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What are the important concepts and theories in plant biochemistry that I should be familiar with for Paper II of UPSC Botany Optional Subject?
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Important Concepts and Theories in Plant Biochemistry for UPSC Botany Optional Paper II


1. Photosynthesis


  • Photosynthesis is the process by which plants convert light energy into chemical energy in the form of glucose.

  • Key concepts include: chloroplasts, pigments (chlorophyll), light-dependent and light-independent reactions, Calvin cycle, electron transport chain, ATP synthesis, and carbon fixation.

  • Understand the various factors affecting photosynthesis such as light intensity, temperature, and carbon dioxide concentration.



2. Respiration


  • Respiration is the process by which plants break down glucose to release energy for cellular activities.

  • Key concepts include: glycolysis, Krebs cycle, electron transport chain, ATP synthesis, and oxidative phosphorylation.

  • Understand the similarities and differences between aerobic and anaerobic respiration.



3. Protein Synthesis


  • Protein synthesis is the process by which plants synthesize proteins from amino acids.

  • Key concepts include: DNA transcription, RNA translation, codons, anticodons, ribosomes, tRNA, mRNA, and genetic code.

  • Understand the regulation of protein synthesis and the importance of post-translational modifications.



4. Enzymes


  • Enzymes are biological catalysts that facilitate chemical reactions in plants.

  • Key concepts include: enzyme-substrate specificity, enzyme kinetics, enzyme inhibition, cofactors, and coenzymes.

  • Understand the factors affecting enzyme activity such as temperature, pH, and substrate concentration.



5. Metabolism


  • Metabolism refers to the sum of all chemical reactions that occur in plants.

  • Key concepts include: anabolism, catabolism, metabolic pathways, metabolic regulation, and metabolic disorders.

  • Understand the different metabolic pathways such as glycolysis, gluconeogenesis, fatty acid synthesis, and amino acid metabolism.



6. Secondary Metabolism


  • Secondary metabolism refers to the production of specialized compounds in plants that are not essential for growth and development.

  • Key concepts include: alkaloids, flavonoids, terpenoids, and phenolic compounds.

  • Understand the biological functions and ecological roles of secondary metabolites.



7. Hormones


  • Hormones are chemical messengers that regulate plant growth, development, and responses to environmental stimuli.

  • Key concepts include: auxins, gibberellins, cytokinins, abscisic acid, ethylene, and brassinosteroids.

  • Understand the functions and modes of action of plant hormones.



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What are the important concepts and theories in plant biochemistry that I should be familiar with for Paper II of UPSC Botany Optional Subject?
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